ABB RELION 670 Series Product Manual page 59
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Also See for RELION 670 Series:
- Technical manual (1432 pages) ,
- Technical reference manual (1232 pages) ,
- Applications manual (944 pages)
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Bay control REC670 2.1 IEC
Table 34. Sensitive directional residual overcurrent and power protection SDEPSDE
Function
Operate level for 3I
·cosj
0
directional residual
overcurrent
Operate level for ·3I
·3U
0
0
cosj directional residual
power
Operate level for 3I
and j
0
residual overcurrent
Operate level for non-
directional overcurrent
Operate level for non-
directional residual
overvoltage
Residual release current for
all directional modes
Residual release voltage for
all directional modes
Operate time for non-
directional residual
overcurrent at 0 to 2 x Iset
Reset time for non-
directional residual
overcurrent at 2 to 0 x Iset
Operate time for directional
residual overcurrent at 0 to
2 x Iset
Reset time for directional
residual overcurrent at 2 to
0 x Iset
Independent time delay for
non-directional residual
overvoltage at 0.8 to 1.2 x
Uset
Independent time delay for
non-directional residual
overcurrent at 0 to 2 x Iset
Independent time delay for
directional residual
overcurrent at 0 to 2 x Iset
Inverse characteristics, see
table "", table
""
and table
Relay characteristic angle
(RCADir)
Relay operate angle
(ROADir)
ABB
Range or value
lBase
(0.25-200.00)% of
(0.25-200.00)% of
SBase
(0.25-200.00)% of
lBase
lBase
(1.00-400.00)% of
(1.00-200.00)% of
UBase
lBase
(0.25-200.00)% of
(1.00-300.00)% of
UBase
Min. = 40 ms
Max. = 65 ms
Min. = 40 ms
Max. = 65 ms
Min. = 110 ms
Max. = 160 ms
Min. = 20 ms
Max. = 60 ms
(0.000 – 60.000) s
(0.000 – 60.000) s
(0.000 – 60.000) s
16 curve types
""
(-179 to 180) degrees
(0 to 90) degrees
SEMOD173350-2 v13
1MRK 511 361-BEN D
Accuracy
±1.0% of I
at I £ I
r
r
±1.0% of I at I > I
r
±1.0% of S
at S £ S
r
r
±1.0% of S at S > S
r
±1.0% of I
at £ I
r
r
±1.0% of I at I > I
r
±1.0% of I
at I £ I
r
r
±1.0% of I at I > I
r
±0.5% of U
at U £ U
r
r
±0.5% of U at U > U
r
±1.0% of I
at I £ I
r
r
±1.0% of I at I > I
r
±0.5% of U
at U £ U
r
r
±0.5% of U at U > U
r
±0.2% or ± 75 ms whichever is
greater
±0.2% or ± 75 ms whichever is
greater
±0.2% or ± 170 ms whichever is
greater
See table "", table
""
and table
±2.0 degrees
±2.0 degrees
""
59
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